Apple released Safari 4 Beta to the public, I quickly downloaded, installed and restarted my Mac Pro, this application runs very fast. I wanted to see how fast it really is hence I ran a Benchmark test provided by SunSpider.
Here are some results from the Benchmark results SunSpider.
The only think lacking would be the ability to add extensions and add-ons like firefox supports. If safari had these abilities I wouldn’t need firefox.